75 rtty

80/75 Meter 4-Square Array - This array has been in use since 1989. The SWR from 3.5 to 3.9 is below 1.5:1. The F/R of the array is 20dB average and with some signals even better.

Elevated Magnetic Loop for 160 & 75 Meters Priority listing - Tree hung rotatable 160m magnetic loop antenna

DRCG DL-DX RTTY Contest group - Dl-dx rtty contest group

Ukrainian Contest Club - Sponsors of the UCC DX and RTTY Contest

TARA RTTY Sprint - formerly called TARA RTTY Sprint

WAE-DX-Contest - The Deutscher Amateur Radio Club (DARC) invites radio amateurs world wide to participate in the annual WAE-DX-Contest. CW SSB and RTTY Contests

CQ Contests Rules and Awards - CQ Contests rules, CQ World Wide 160-meter Contest CQ World Wide WPX Contest CQ World Wide RTTY Contest CQ World Wide RTTY WPX Contest CQ World Wide DX Contest CQ World Wide VHF Contest

TARA's RTTY Melee - formerly called TARA RTTY Sprint

BARTG RTTY contests - RTTY Contests HF and Sprint

SCC RTTY Championship - Rules and past results of RTTY SCC contests

SPDX RTTY Contest - Rules and Results SPDX RTTY Contest

Volta RTTY contest - Alessandro Volta RTTY Contest

SARTG New Year RTTY Contest - Sponsored by the Scandinavian Amateur Radio Teleprinter Group

NCJ Sprint Rules - National Contest Journal Sprint CW SSB RTTY rules

DRCG: DL-DX RTTY Contest - DL-DX RTTY Contest Rules Sponsored and organized by DL-DX RTTY Contest Group

NAQP Rules - NAQP CW/SSB/RTTY Rules

DRCG: Dl-dx RTTY contest group - Dl-dx rtty contest group

RTTY Contests - Calendar with scores and rules of recent and upcoming RTTY contests

The VK2SG-RTTY Archives - Archive of messages of the vk2sg rtty mailing list

Harbour Industries - Harbour Industries, the worldwide High Temperature and High Performance cable manufacturer, offers a wide range of Mil-Spec and Commercial designs such as NEMA HP3/HP4 and SAE AS22759

Getting started in RTTY with MMTTY - A tutorial on how to get started operating RTTY using MMTTY as the primary program to begin your RTTY

The KB6IBB Utilities for Palm OS - designed for the ham radio operator or radio scanner hobbyist. It houses four databases that organize your frequency lists. EDACS Trunk - A database that houses the entire EDACS ID table. Conventional - A database that houses lists by channal number. Radio Call Log - A database that allows the user to log calls/notes. Ham Radio Repeaters - A database for ham radio repeaters.

N9ZLE ICOM - CIV Software - IRC is a Free Radio control program for Icom radios using the CIV CT-17 or compatible interface. This program allows the use of different skins to display just about any radio from the IC746 to a secret agent watch. The program uses the new features available with the 746 and 756 to upload or save memories from your rig

Collins TRC-75 - Autotune Linear Amplifier

Base-Station RF Power-Amplifier Biasing - Power amplifiers used in base stations require biasing for proper RF performance. This article explains the two classes of biasing that are prevalent in the RF industry, analyzes their characteristics, and shows implementations with existing ICs.